A range of drum and base heaters that provide a reliable way to reduce viscosity, protect stored product from frost and enable product removal. Available in both nonhazardous and hazardous area versions with reliable temperature control, Isopad drum heaters offer the ideal heating solutions for viscous products stored in drums, for example: adhesives, asphalt, waxes/paraffin, chemicals, chocolate dyes and varnishes. Three types of drum heaters are available a metal drum heater, a soft jacket drum heater and a silicone drum heating band.